Contact Us

  • Contact support
English (US)
English (US)
French
German
Spanish
Italian
Dutch
Portuguese
  • Home
  • Security and compliance

E-invoicing

Contact Us

E-invoicing

What is the invoicing mandate? What is a billing mandate and why do I need to sign one? What does the "Signed PDF" e-invoicing mode mean? What dematerialization method does an “unsigned PDF” correspond to? What are the dematerialization methods available in the SY portal? My client offers to digitise my invoices in PDF or signed PDF. How and when should I choose?

Frequently asked questions

  • How do I access my customer orders?
  • How can the tax authorities access my invoices if there is an audit?
  • What is SY?
  • Guest Supplier Tutorials
  • What is the Cegedim Group?
  • Can I issue invoices if I am a Head Contractor ?
  • What is Cegedim e-business?
  • How to register on SY? (guest)
  • Can I use a file generated with my office/accounting tool?

Knowledge Base Software powered by Helpjuice

Expand